PREVIEW

When I play a file on my MAC nothing works. 

You likely installed the Apple Silicon version on an Intel Machine. 

To see the version you have installed:

If you accidentally installed the Silicon version on an intel MAC uninstall and then reinstall. 

FOLLOW THESE EXACT INSTRUCTIONS

Delete program

Delete folders Documents

TimeBoltData & TimeBoltScratchPath

Empty trash

Restart

Reinstall TimeBolt here